Differences between revisions 1 and 3 (spanning 2 versions)
Revision 1 as of 2012-08-29 23:52:27
Size: 746
Editor: AA6YQ
Comment:
Revision 3 as of 2012-08-29 23:57:43
Size: 680
Editor: AA6YQ
Comment:
Deletions are marked like this. Additions are marked like this.
Line 5: Line 5:
 1. in a '''CMD window''', execute the following commands: You can reset a serial port's RTS and DTR signals on Windows startup by creating a ''Windows batch'' file containing the appropriate command and then create a ''Windows shortcut'' to this batch file in the ''Windows Startup Folder''. To reset COM3's RTY and DTR signals, for example, use Windows Notepad to create a batch file named {{{RESETCOM3.bat}}} that contains
Line 7: Line 7:
   a. {{{set devmgr_show_nonpresent_**devices=1}}}
   a. {{{cd c:\windows\system32}}}
   a. {{{start devmgmt.msc}}}
{{{MODE COM3; dtr=off rts=off}}}
Line 11: Line 9:
 1. in the '''Device Manager''' window that appears after step 1.c,
   a. in the '''View''' menu, select '''Show Hidden Devices'''
   a. click on the + or triangle to the left of Ports to display a list of all present Ports
   a. click the Port you wish to delete, and strike the '''Delete''' key
   a. when asked, confirm your intention to delete the Port
----
Then create a shortcut to {{{RESETCOM3.bat}}} in your Windows Startup Folder.

Resetting a Serial Port's RTS and DTR Signals when Windows Starts

de Joe W4TV

You can reset a serial port's RTS and DTR signals on Windows startup by creating a Windows batch file containing the appropriate command and then create a Windows shortcut to this batch file in the Windows Startup Folder. To reset COM3's RTY and DTR signals, for example, use Windows Notepad to create a batch file named RESETCOM3.bat that contains

MODE COM3; dtr=off rts=off

Then create a shortcut to RESETCOM3.bat in your Windows Startup Folder.

[:TransceiverControl:Transceiver Control]

[:GettingStarted:Getting Started with DXLab]

ResetCOMDTRRTS (last edited 2018-07-04 19:41:50 by AA6YQ)